{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5d61dd94c9ce18aa06a0c47bae6a70af63541f1b6c80913499ec607ea56fa7ae",
    "signature": "0x7ab9bd79f2ee1e39f5602c3036ad65f147fa0f6eaaa29d1699d90236fdecf4e642e13f1d2be16e429a4c2d46242e4060ee9a94c434acd1959fe6585e06a197471b",
    "signer": "0x27Af2F7CF8d7F7D7aD122912dA5a32cf307F090A",
    "userId": "35477788"
  }
}